Home / 2,165.23-3,247.37-604.90

Finding the Fourth Proportional to 2,165.23, 3,247.37 and 604.90

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Solution

The fourth proportional to 2,165.23, 3,247.37 and 604.90 is: 907.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165.23 : 3,247.37 = 604.90 : x
  2. Step 2: Convert to fraction form
    2,165.23/3,247.37 = 604.90/x
  3. Step 3: Cross multiply
    2,165.23x = 3,247.37 × 604.90
  4. Step 4: Simplify right side
    2,165.23x = 1,964,314.85
  5. Step 5: Solve for x
    x = 1,964,314.85/2,165.23
  6. Step 6: Final answer
    x = 907.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.